A viral tweet about astigmatism has Twitter users taking a second look at the quality of their eyesight. A recent tweet from user @UnusualFacts6 used two images to highlight what people see when they ...

Astigmatism is an eye condition that causes blurry vision, especially in dim light. That's because astigmatism occurs when the eye is shaped more like an oval than a sphere, which distorts the light ...

The eye acts like a camera, capturing light through the front surface (the cornea) and focusing it onto the "film" at the back of the eye (retina). To get a clear picture, the eyeball and all of its ...

Astigmatism is a term that refers to an imperfection in the shape of the cornea. Rather than being a clear, round dome to cover the iris and the pupil of the eye in ...

Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football? Subscribe to our newsletter for the latest sci-tech news updates. Or perhaps you've noticed ...